Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /Applications/MAMP/htdocs/munagsatcom2/vendor/symfony/routing/Tests/RouterTest.php:19 Stack trace: #0 {main} thrown in /Applications/MAMP/htdocs/munagsatcom2/vendor/symfony/routing/Tests/RouterTest.php on line 19